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Finding the Fourth Proportional to 121,522.10, 182,283.15 and 65,534.90

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Solution

The fourth proportional to 121,522.10, 182,283.15 and 65,534.90 is: 98,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,522.10 : 182,283.15 = 65,534.90 : x
  2. Step 2: Convert to fraction form
    121,522.10/182,283.15 = 65,534.90/x
  3. Step 3: Cross multiply
    121,522.10x = 182,283.15 × 65,534.90
  4. Step 4: Simplify right side
    121,522.10x = 11,945,908,006.94
  5. Step 5: Solve for x
    x = 11,945,908,006.94/121,522.10
  6. Step 6: Final answer
    x = 98,302.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.